Non-sprint task - avoid warning during implicit source feature generation: [WARNING] Artifact org.eclipse.jubula:org.eclipse.jubula.feature.api:xml:p2metadata:3.0.0-SNAPSHOT already attached to project, ignoring duplicate
Added breadcrumbs to the documentation

Change-Id: Ia7edc0e10e66be602118331a40fc7e2381da8708
Signed-off-by: Sebastian Helman <Sebastian.Helman@bredex.de>
Non-sprint taks - minor typo fixed.
Non-sprint task - generics added and now unnecessary casts removed.
Non-sprint task - project IDE settings corrected / fixed.